Plenaries
- "Comback of Sparse Arrays for Sensing and Communications, Whether Separate or Integrated," IEEE-WCNC, Dubai,UAE, April 2024
- "Radio Frequency Coexistence and Convergence," NILES 2021, Cairo, Egypt, October 2021
- "Dual Function Radar Communication Systems," IET
International Radar Conference, Nanjing, China, October 2018.
- "Radar as Signal of Opportunity," Sensor
Signal Processing for Defense, London, UK, December 2017.
- "Trends in Through the Wall Radar Imaging," 2016 CIE International
Conference on Radar, Guangzhou, China, October 2016.
- "A Decade of Through Wall Radar Imaging," 2016 IEEE Radar Conference Philadelphia, PA, May 2-6, 2016.
- "A Sparsity-Perspective to Time-Frequency Signal Representations," International Workshop on Compressed Sensing Theory and its Applications to Radar, Sonar and Remote Sensing, Pisa, Italy, June 2015.
- "Sparsity-Aware Urban Radar," International Radar
Conference, Lille, France, October 2014.
- "Compressive Sensing For Urban Radar" IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP), St. Martin, December 2013.
- "Compressive Sensing For Urban Radar," European Signal Processing Conference, Marrakech, Morocco, September 2013.
- "Compressive Sensing For Urban Radar," Statistics, Optimization, and Signal Processing Workshop, Darmstadt, Germany, June 2013.
- "Compressive Urban Sensing," IET International Radar Conference, Xi'an, China, April 2013.
- "Compressive Urban Imaging and Sensing Using EM Modality," International Review of Progress in Applied Computational Electromagnetics, Monterey, CA. March 2013.
- "Emerging Radar Technologies for Sensing and Imaging Applications," Plenary Talk, 2010 US-Egypt Regional Workshop on Microwave Emerging Technologies, Cairo, Egypt, October 2010.
- "Recent Advances in Radar Imaging of Building Interiors," Plenary Talk, 2010 IEEE International Conference on Acoustics, Speech and Signal Processing, Dallas, TX, March 2010.
- "Time-Frequency Signal Representations in Urban Sensing Applications," Keynote Speaker, Workshop on Advances in Time-Frequency Analysis, Bucharest, Romania, June 2008.
- "Indoor Imaging – An interdisciplinary Problem," Plenary Speaker, the 5th International Workshop on Signal Processing and its Applications, Sharjah, United Arab Emirates, March 2008.
- "Signal Processing and Beamforming Techniques in Wideband Through-the-Wall Radar Imaging," Keynote Speaker, SPIE Defense & Security Symposium, Conference on Digital Wireless Communications VII, Orlando, FL, March 2005.
- "Through-the-Wall Radar Imaging," Plenary Talk, IEEE International Symposium on Signal Processing and Information Technology, Darmstadt, Germany, December 2003.
- "Recent Advances in Time-Frequency Signal Representations," Plenary Speaker, IEEE International Symposium on Signal Processing and Information Technology, Cairo, Egypt, December 2001.
- "Spatial Time-Frequency Distributions for Direction Finding and Blind Source Separation," Keynote Speaker, SPIE, Wavelet Conference, Orlando, FL, April 1999.
- "Spatial Time-Frequency Representations with Applications to Direction Finding and Blind Source Separation," Keynote Speaker, IEEE International Symposium on Time-Frequency Time-Scale Analysis, Pittsburgh, PA, October 1998.
- "Applications of Time-Frequency (TF) Analysis in Spread Spectrum Communications Systems," Keynote Speaker, The Fourth International Symposium on Signal Processing and Its Applications, Gold Coast, Australia, August 1996.